Pith Number

pith:D52F4Q4Z

pith:2017:D52F4Q4ZUTM3SFOTBNQFOSJKAJ

not attested not anchored not stored refs pending

A refined version of Grothendieck's anabelian conjecture for hyperbolic curves over finite fields

Akio Tamagawa, Mohamed saidi

arxiv:1708.08773 v1 · 2017-08-28 · math.AG · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D52F4Q4ZUTM3SFOTBNQFOSJKAJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:36:21.639266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f745e4399a4d9b915d30b6057492a025892b0ce40e1bbf4fe53c8e274bc06e5

Aliases

arxiv: 1708.08773 · arxiv_version: 1708.08773v1 · doi: 10.48550/arxiv.1708.08773 · pith_short_12: D52F4Q4ZUTM3 · pith_short_16: D52F4Q4ZUTM3SFOT · pith_short_8: D52F4Q4Z

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/D52F4Q4ZUTM3SFOTBNQFOSJKAJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1f745e4399a4d9b915d30b6057492a025892b0ce40e1bbf4fe53c8e274bc06e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd55a877a90cb54db313bc9017ecc1ba8657a67fb004e110ac30df36eda06540",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-28T00:42:10Z",
    "title_canon_sha256": "0647a5e5a98797641f3ac1dc712114407c06b501c9a2be9da77283d237233ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08773",
    "kind": "arxiv",
    "version": 1
  }
}